查询会员等级详情，包括当前星星数、等级有效期、距下一级的差距。
AI agents call member_tier to retrieve information from Coffee Company MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool performs a lookup/query of membership tier information. No data is created, modified, deleted, or financial transactions are initiated. It is a straightforward informational read operation with minimal risk if misused—an AI agent querying this repeatedly or with unusual patterns would have no destructive side effects.
From the tool's definition Tool name 'member_tier' and description '查询会员等级详情，包括当前星星数、等级有效期、距下一级的差距' (query member tier details, including current star count, tier validity period, and gap to next tier) indicate a read-only query operation that retrieves membership information without…
Attacks that exploit this kind of access
查询会员等级详情，包括当前星星数、等级有效期、距下一级的差距。. It is categorised as a Read tool in the Coffee Company MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Coffee Company MCP Server MCP server in PolicyLayer and add a rule for member_tier: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Coffee Company MCP Server. Nothing to install.
member_tier is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the member_tier rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for member_tier. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
member_tier is provided by the Coffee Company MCP Server MCP server (sawzhang/coffee-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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